Electronic Cigarette Smoking and Perception among Youth: The BA.2 subvariant of Omicron accounts for over half of new U.S. coronavirus cases, the C.D.C. estimates.

Tuesday, March 29, 2022

The BA.2 subvariant of Omicron accounts for over half of new U.S. coronavirus cases, the C.D.C. estimates.

By BY ADEEL HASSAN from NYT Health https://ift.tt/lJMSR6f

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